package com.atguigu.gulimall.member.exception;

/**
 * @Classname UserNameExistException
 * @Description TODO
 * @Date 2024/7/11 14:03
 * @Created by 369502594
 */
public class UserNameExistException extends RuntimeException{
    public UserNameExistException() {
        super("用户名已存在");
    }
}
